CleanAir has worked with both utility boiler owners and selective catalytic reduction (SCR) system vendors on several SCR installation projects to characterize SCR system performance. As part of a typical SCR performance test program, the NOx removal efficiency, inlet and outlet NOx distribution, inlet temperature and velocity distribution, ammonia (NH3) slip, SO2 to SO3 conversion, SCR and catalyst pressure drop are determined to demonstrate compliance with SCR performance guarantees.

SNCR Performance Testing

CleanAir has conducted several selective non-catalytic reduction (SNCR) performance evaluation test programs. These programs are generally directed toward establishing NOx removal efficiency, ammonia slip, airheater pressure drop, and furnace exit gas temperature profiles.

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